51.2V 320Ah Rack Mounted Storage Battery
LFA-48320-16S-W high-capacity LiFePO₄ battery – built by Foshan Top One Power Technology Co., Ltd.
The LFA-48320-16S-W is a 51.2 V, 320 Ah lithium iron phosphate battery module from Foshan Top One Power Technology Co., Ltd., a manufacturer based in Foshan that was established in 2003 and specialises in renewable energy equipment. This unit belongs to the LFA series and is designed for large-scale energy storage applications such as whole-home backup, commercial solar systems, telecommunications infrastructure and off-grid installations where lead-acid batteries are no longer sufficient.
The name indicates the internal configuration: "16S" signifies 16 cells in series, providing a nominal voltage of 51.2V to match standard 48V inverter systems, while "W" denotes a wall- or rack-mount form factor. The capacity is 320 Ah, which equates to approximately 16.4 kWh of stored energy. This is enough to power a typical household for a day or more, depending on usage.
The LFA-48320-16S-W uses Grade-A LiFePO₄ cells, giving it a cycle life of over 6,000 cycles at an 80% depth of discharge - that's about 15 years of daily cycling. Compared to lead-acid batteries that need replacing every couple of years, this is in a different league entirely. The flat discharge curve ensures that connected equipment receives a stable voltage until the battery is almost empty, which is essential for inverters and sensitive electronics.
The built-in battery management system provides over-voltage, under-voltage, over-current, over-temperature and short-circuit protection. It also balances individual cells during charging to keep the pack performing well over time. The LFA-48320-16S-W supports parallel expansion, enabling you to increase capacity by adding more units as your energy requirements grow. Communication options include RS485 and CAN, ensuring compatibility with most major inverter brands for monitoring purposes.
The product is backed by Foshan Top One Power Technology Co., Ltd.'s CE and ISO 9001 certifications and over two decades of manufacturing experience.
<p>The LFA-48320-16S-W uses Grade-A LiFePO₄ cells, giving it a cycle life of over 6,000 cycles at an 80% depth of discharge — that's about 15 years of daily cycling. Compared to lead-acid batteries that need replacing every couple of years, this is in a different league entirely. The flat discharge curve ensures that connected equipment receives a stable voltage until the battery is almost empty, which is essential for inverters and sensitive electronics.</p>
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